diff --git a/.phpstorm.meta.php b/.phpstorm.meta.php
new file mode 100644
index 0000000..39d33e1
--- /dev/null
+++ b/.phpstorm.meta.php
@@ -0,0 +1,56 @@
+<?php
+/*
+ * Protocol FCGI library
+ *
+ * @copyright Copyright 2021. Lisachenko Alexander <lisachenko.it@gmail.com>
+ * This source file is subject to the license that is bundled
+ * with this source code in the file LICENSE.
+ */
+
+declare(strict_types=1);
+
+namespace PHPSTORM_META;
+
+expectedArguments(
+    \Lisachenko\Protocol\FCGI\Record\BeginRequest::__construct(),
+    0,
+    \Lisachenko\Protocol\FCGI::RESPONDER,
+    \Lisachenko\Protocol\FCGI::AUTHORIZER,
+    \Lisachenko\Protocol\FCGI::FILTER,
+);
+
+expectedArguments(
+    \Lisachenko\Protocol\FCGI\Record\BeginRequest::__construct(),
+    1,
+    \Lisachenko\Protocol\FCGI::KEEP_CONN,
+);
+
+expectedArguments(
+    \Lisachenko\Protocol\FCGI\Record\EndRequest::__construct(),
+    0,
+    \Lisachenko\Protocol\FCGI::KEEP_CONN,
+    \Lisachenko\Protocol\FCGI::REQUEST_COMPLETE,
+    \Lisachenko\Protocol\FCGI::CANT_MPX_CONN,
+    \Lisachenko\Protocol\FCGI::OVERLOADED,
+    \Lisachenko\Protocol\FCGI::UNKNOWN_ROLE
+);
+
+expectedReturnValues(
+    \Lisachenko\Protocol\FCGI\Record::getVersion(),
+    \Lisachenko\Protocol\FCGI::VERSION_1
+);
+
+expectedReturnValues(
+    \Lisachenko\Protocol\FCGI\Record::getType(),
+    \Lisachenko\Protocol\FCGI::BEGIN_REQUEST,
+    \Lisachenko\Protocol\FCGI::ABORT_REQUEST,
+    \Lisachenko\Protocol\FCGI::END_REQUEST,
+    \Lisachenko\Protocol\FCGI::PARAMS,
+    \Lisachenko\Protocol\FCGI::STDIN,
+    \Lisachenko\Protocol\FCGI::STDOUT,
+    \Lisachenko\Protocol\FCGI::STDERR,
+    \Lisachenko\Protocol\FCGI::DATA,
+    \Lisachenko\Protocol\FCGI::GET_VALUES,
+    \Lisachenko\Protocol\FCGI::GET_VALUES_RESULT,
+    \Lisachenko\Protocol\FCGI::UNKNOWN_TYPE,
+);